Operating segments (Tables)

12 Months Ended

Feb. 28, 2015

Segment Reporting [Abstract]

Operations and assets by segment

Information regarding operations and assets by segment was as follows:

	2015			2014			2013
Net sales:	(In thousands)
Energy	$	458,339		$	416,106		$	233,555
Galvanizing Services	358,348			335,617			337,039
	$	816,687		$	751,723		$	570,594
Operating income:
Energy	$	38,703		$	44,513		$	32,073
Galvanizing Services	88,562			87,808			88,505
Corporate	(20,440		)	(32,207		)	(22,594		)
Total Operating Income	106,825			100,114			97,984
Interest expense	16,561			18,407			13,073
Net gain on sale of property, plant and equipment and insurance proceeds	(2,525		)	(8,039		)	(8,303		)
Other (income) expense, net	2,659			(4,165		)	(1,155		)
Income before income taxes	$	90,130		$	93,911		$	94,369
Depreciation and amortization:
Energy	$	20,725		$	19,959		$	8,587
Galvanizing Services	23,964			22,008			19,501
Corporate	1,400			1,338			1,275
	$	46,089		$	43,305		$	29,363
Expenditures for acquisitions, net of cash, and property, plant and equipment:
Energy	$	10,647		$	284,514		$	79,513
Galvanizing Services	26,928			33,282			81,604
Corporate	3,320			1,378			864
	$	40,895		$	319,174		$	161,981
Total assets:
Energy	$	523,247		$	542,809		$	261,074
Galvanizing Services	378,823			378,358			370,142
Corporate	34,844			32,086			62,989
	$	936,914		$	953,253		$	694,205
Geographic net sales:
United States	$	631,544		$	601,674		$	503,699
Other countries	189,855			150,049			66,895
Eliminations	(4,712		)	—			—
	$	816,687		$	751,723		$	570,594
Property, plant and equipment, net:
United States	$	173,712		$	171,727		$	127,410
Canada	20,289			23,779			27,066
Other Countries	2,582			2,133			—
	$	196,583		$	197,639		$	154,476